of the michelle expense from edmund.com joins us by telephone. you say this is not fill the slot with woman appointment. i let you take it from there. >> not at all. mary is a extremely strong automotive executive. she is engineer. she came up through the manufacturing ranks. you can't be with a wuss to be in that business. she worked with designers and engineers developing vehicles for general motors. she knows the car part of the business. adam: michelle, nobody wants to see her succeed more than us here at fox business. lori: and me. adam: and you. all of want to see miss barra succeed. only one of the top 10 selling cars in the united states is a general motors product. it is silverado. they're the number one sales leader as far as total vehicles, don't they need to produce more cars better than they already are to break at that top 10? >> i think that is the wrong measurement. i think you should look at profit march spins and how much they're able to -- profit margins and how much they're able to get for vehicles. let's remember five years a